package com.spike.utils;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

public class MyBatisUtils {
    private static SqlSessionFactory sessionFactory;
    /* 静态代码块 */
    static {
        try {
            InputStream is =
                    Resources.getResourceAsStream("mybatis-config.xml");
            sessionFactory = new SqlSessionFactoryBuilder().build(is);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
    public static SqlSession getSqlSession() throws Exception{
        SqlSession sqlSession = sessionFactory.openSession();
        return sqlSession;
    }
}
